K4D28163HD Datasheet, PDF (6/16 Pages) Samsung semiconductor – 128Mbit DDR SDRAM

K4D28163HD
BLOCK DIAGRAM (2Mbit x 16I/O x 4 Bank)
128M DDR SDRAM
CK,CK
ADDR
Bank Select
CK, CK
16
Intput Buffer
Data Input Register
Serial to parallel
LWE
LDMi
2Mx16
2Mx16
2Mx16
2Mx16
32
16
x16
DQi
Column Decoder
Latency & Burst Length
LCKE
LRAS LCBR LWE
LCAS
Programming Register
LWCBR
Timing Register
DLL
CK,CK
LDMi
Data Strobe
CK,CK CKE CS
RAS CAS WE LDM UDM
-6-
Rev. 1.4(Aug. 2002)